EP0741759B1 - Redispergierbare, siliciummodifizierte dispersionspulverzusammensetzung, verfahren zu deren herstellung und deren verwendung - Google Patents
Redispergierbare, siliciummodifizierte dispersionspulverzusammensetzung, verfahren zu deren herstellung und deren verwendung Download PDFInfo
- Publication number
- EP0741759B1 EP0741759B1 EP95906351A EP95906351A EP0741759B1 EP 0741759 B1 EP0741759 B1 EP 0741759B1 EP 95906351 A EP95906351 A EP 95906351A EP 95906351 A EP95906351 A EP 95906351A EP 0741759 B1 EP0741759 B1 EP 0741759B1
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- European Patent Office
- Prior art keywords
- water
- monomers
- radicals
- atoms
- sir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- JZQAAQZDDMEFGZ-UHFFFAOYSA-N bis(ethenyl) hexanedioate Chemical compound C=COC(=O)CCCCC(=O)OC=C JZQAAQZDDMEFGZ-UHFFFAOYSA-N 0.000 description 1
- ZPOLOEWJWXZUSP-WAYWQWQTSA-N bis(prop-2-enyl) (z)-but-2-enedioate Chemical compound C=CCOC(=O)\C=C/C(=O)OCC=C ZPOLOEWJWXZUSP-WAYWQWQTSA-N 0.000 description 1
- 239000000337 buffer salt Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- HZLIIKNXMLEWPA-UHFFFAOYSA-N diethoxy(dipropyl)silane Chemical compound CCC[Si](CCC)(OCC)OCC HZLIIKNXMLEWPA-UHFFFAOYSA-N 0.000 description 1
- MNFGEHQPOWJJBH-UHFFFAOYSA-N diethoxy-methyl-phenylsilane Chemical compound CCO[Si](C)(OCC)C1=CC=CC=C1 MNFGEHQPOWJJBH-UHFFFAOYSA-N 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- FNMTVMWFISHPEV-AATRIKPKSA-N dipropan-2-yl (e)-but-2-enedioate Chemical compound CC(C)OC(=O)\C=C\C(=O)OC(C)C FNMTVMWFISHPEV-AATRIKPKSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- YCUBDDIKWLELPD-UHFFFAOYSA-N ethenyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC=C YCUBDDIKWLELPD-UHFFFAOYSA-N 0.000 description 1
- IGBZOHMCHDADGY-UHFFFAOYSA-N ethenyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OC=C IGBZOHMCHDADGY-UHFFFAOYSA-N 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- GLVVKKSPKXTQRB-UHFFFAOYSA-N ethenyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC=C GLVVKKSPKXTQRB-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- QJQZEJFUIOWFMS-UHFFFAOYSA-N formaldehyde;sulfanediol Chemical class O=C.OSO QJQZEJFUIOWFMS-UHFFFAOYSA-N 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 150000002238 fumaric acids Chemical class 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 150000002560 ketene acetals Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- FVYJTIIVZZZAFQ-UHFFFAOYSA-N methyl 2-hydroxy-2-(prop-2-enoylamino)propanoate Chemical compound COC(=O)C(C)(O)NC(=O)C=C FVYJTIIVZZZAFQ-UHFFFAOYSA-N 0.000 description 1
- RJMRIDVWCWSWFR-UHFFFAOYSA-N methyl(tripropoxy)silane Chemical compound CCCO[Si](C)(OCCC)OCCC RJMRIDVWCWSWFR-UHFFFAOYSA-N 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000005385 peroxodisulfate group Chemical group 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001843 polymethylhydrosiloxane Chemical group 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- QROGIFZRVHSFLM-UHFFFAOYSA-N prop-1-enylbenzene Chemical compound CC=CC1=CC=CC=C1 QROGIFZRVHSFLM-UHFFFAOYSA-N 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- UWSYCPWEBZRZNJ-UHFFFAOYSA-N trimethoxy(2,4,4-trimethylpentyl)silane Chemical compound CO[Si](OC)(OC)CC(C)CC(C)(C)C UWSYCPWEBZRZNJ-UHFFFAOYSA-N 0.000 description 1
- NLSXASIDNWDYMI-UHFFFAOYSA-N triphenylsilanol Chemical compound C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(O)C1=CC=CC=C1 NLSXASIDNWDYMI-UHFFFAOYSA-N 0.000 description 1
- NDPSWPCMEKRQBJ-UHFFFAOYSA-N tris(2-ethoxyethoxy)-methylsilane Chemical compound CCOCCO[Si](C)(OCCOCC)OCCOCC NDPSWPCMEKRQBJ-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000003799 water insoluble solvent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
- C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/122—Pulverisation by spraying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
Definitions
- the invention relates to a water-redispersible, silicon-modified dispersion powder composition based on water-insoluble polymers, processes for their preparation and their use.
- Dispersion powder compositions which are redispersible in water and are based on homopolymers or copolymers of ethylenically unsaturated monomers are known. Dispersion powder compositions of this type are produced by spray drying the corresponding aqueous plastic dispersions in a hot air stream. The dispersion powders are suitable as additives for hydraulic binders in the building materials industry, and products of this type are also used as binders in coating materials or adhesives.
- EP-A 228657 (US-A 4704416) describes water-redispersible dispersion powders based on water-soluble polymers which contain organic silicon compounds, preferably organopolysiloxanes.
- the dispersion powders are prepared by spray drying an emulsion of the organic silicon compound in an aqueous solution of the water-soluble polymer.
- EP-B 279373 relates to water-redispersible organopolysiloxane-containing powders which additionally contain water-soluble, film-forming polymer. It is produced by spray drying the aqueous mixtures of the constituents mentioned.
- EP-A 493168 relates to water-redispersible dispersion powders based on film-forming, water-insoluble vinyl or acrylic polymers which contain silicones, more precisely organosiliconates and / or organopolysiloxanes. They are produced by spray drying aqueous dispersions of the vinyl or acrylic polymers to which silicones have been added before the spraying. In this procedure, the silicones are in emulsion and the water-insoluble polymers are in dispersion before the spray drying, so that products are obtained after the spray drying or redispersion in which the components are present in separate particles.
- the invention had for its object to provide water-redispersible dispersion powder compositions based on water-insoluble polymers which have been modified with organosilicon compounds in such a way that both components are present together in the powder particles and in the redispersed particles and, if appropriate, via chemical bonds to one another are bound.
- vinyl esters are vinyl acetate, vinyl propionate, vinyl butyrate, vinyl 2-ethylhexanoate, vinyl laurate, 1-methyl vinyl acetate, vinyl pivalate and vinyl esters of ⁇ -branched monocarboxylic acids with up to 10 C atoms, for example VeoVa9 R or Veova10 R. Vinyl acetate is particularly preferred.
- Preferred methacrylic acid esters or acrylic acid esters are methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, n-butyl acrylate, t-butyl acrylate, n-butyl methacrylate, t-butyl methacrylate, 2-ethylhexyl acrylate.
- Methyl acrylate, methyl methacrylate, n-butyl acrylate and 2-ethylhexyl acrylate are particularly preferred.
- Preferred ester groups of fumaric and maleic acids are methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, t-butyl, hexyl, ethylhexyl and dodecyl groups.
- the vinyl ester copolymers may optionally contain 1.0 to 65% by weight, based on the total weight of the comonomer phase, of ⁇ -olefins such as ethylene or propylene and / or vinyl aromatics such as styrene and / or vinyl halides such as vinyl chloride and / or acrylic acid esters or methacrylic acid esters of alcohols with 1 to 10 carbon atoms, such as methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, n-butyl acrylate, t-butyl acrylate, n-butyl methacrylate, t-butyl methacrylate, 2-ethylhexyl acrylate and / or ethylenically unsaturated dicarboxylic acid di-dicarboxylate, which contain dimethyl, methyl-t-butyl, di
- the (meth) acrylic ester copolymers may optionally contain 1.0 to 65% by weight, based on the total weight of the comonomer phase, of ⁇ -olefins such as ethylene or propylene and / or vinyl aromatics such as styrene and / or vinyl halides such as vinyl chloride and / or ethylenically unsaturated dicarboxylic acid esters or their Derivatives such as diisopropyl fumarate, which contain dimethyl, methyl butyl, dibutyl and diethyl ester of maleic acid or fumaric acid, or maleic anhydride.
- ⁇ -olefins such as ethylene or propylene and / or vinyl aromatics such as styrene and / or vinyl halides
- vinyl chloride and / or ethylenically unsaturated dicarboxylic acid esters or their Derivatives such as diisopropyl fumarate, which contain dimethyl,
- the vinyl ester copolymers and the (meth) acrylic acid ester copolymers also contain 0.05 to 10.0% by weight, based on the total weight of the comonomer mixture, of auxiliary monomers from the group of the ethylenically unsaturated carboxylic acids, preferably acrylic acid or methacrylic acid; from the group of ethylenically unsaturated carboxamides, preferably acrylamide; from the group of ethylenically unsaturated sulfonic acids or their salts, preferably vinylsulfonic acid; and / or from the group of the polyethylenically unsaturated comonomers, for example divinyl adipate, diallyl maleate, allyl methacrylate or triallyl cyanurate.
- auxiliary monomers from the group of the ethylenically unsaturated carboxylic acids, preferably acrylic acid or methacrylic acid; from the group of ethylenically unsaturated carboxamides
- auxiliary monomers are crosslinking comonomers, for example acrylamidoglycolic acid (AGA), methyl acrylamidoglycolic acid methyl ester (MAGME), N-methylolacrylamide (NMAA), N-methylol methacrylamide, N-methylolallyl carbamate, alkyl ethers, such as isobutoxy ether, or esters of N-methyl methyl of N-methylol methacrylamide or N-methyl olallyl carbamate.
- AGA acrylamidoglycolic acid
- MAGME methyl acrylamidoglycolic acid methyl ester
- NMAA N-methylolacrylamide
- N-methylol methacrylamide N-methylolallyl carbamate
- alkyl ethers such as isobutoxy ether
- esters of N-methyl methyl of N-methylol methacrylamide or N-methyl olallyl carbamate for example acrylamidoglycolic acid (AGA), methyl
- the ethylenically unsaturated monomers are copolymerized with 0.02 to 5.0% by weight, preferably 0.05 to 2.0% by weight, based on the total weight of the monomers, of ethylenically unsaturated silicon compounds which have at least one hydrolyzable group or bonded to a silicon atom contain at least one Si-OH group.
- these compounds can also be water-soluble. Furthermore, it is possible to react these copolymerizable ethylenically unsaturated silicon compounds with the organosilicon compounds to be used according to the invention before the copolymerization with the organic monomers.
- silicon-containing monomers are ⁇ -acrylic or ⁇ -methacryloxypropyltri (alkoxy) silanes and vinyltrialkoxysilanes, where as alkoxy groups e.g. Methoxy, ethoxy, methoxyethylene, ethoxyethylene, methoxypropylene glycol ether or. Ethoxypropylene glycol ether residues can be used. Most preferred are vinyl trimethoxy and vinyl triethoxysilane, ⁇ -methacryloxypropyl triethoxysilane.
- organosilicon compounds are: tetraethoxysilane, methyltripropoxysilane, methyltri (ethoxyethoxy) silane, ⁇ -chloropropyltriethoxysilane, ⁇ -Nitrilethyltriethoxysilan, ⁇ -Mercaptopropyltriethoxy- and -trimethoxysilane, phenyltriethoxysilane, iso-octyltriethoxysilane, dipropyldiethoxysilane, methylphenyldiethoxysilane, diphenyldimethoxysilane, triphenylsilanol and their preferably liquid condensation products, optionally with other low-boiling and / or water-soluble silanes, such as methyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane or other silanes containing amino functions such as H 2 NCH 2 CH 2 NHCH 2 CH
- the disilanes dimethyltetraalkoxydisilane, tetramethyldialkoxydisilane, trimethyltrialkoxydisilane or their (co) condensates which are generally obtainable from the corresponding chlorine compounds.
- methyl hydrogen polysiloxanes blocked by trimethylsiloxy groups are particularly preferred, copolymers of dimethylsiloxane and methyl hydrogen siloxane units blocked by trimethylsiloxy groups, and dimethylpolysiloxanes each having an Si-bonded hydroxyl group in the terminal units.
- organosilicon compounds which are soluble in the monomers and are selected from the group consisting of alkyl and phenyl resins and resins and oils which contain epoxy or amine, propyl or higher alkyl groups.
- organosilicon compounds can be prepared by processes as described in Noll, Chemistry and Technology of Silicones, 2nd edition 1968, Weinheim and in Houben-Weyl, Methods of Organic Chemistry, Volume E20, pp. 1782f., 2219f., Georg Thieme Verlag, Stuttgart, 1987.
- the polymerization is preferably carried out using the emulsion polymerization process, but can also be carried out using the block or solution polymerization process.
- the last two methods can also be used to polymerize free-radically polymerizable, water-sensitive monomers such as ketene acetals.
- the compositions of polymer and organosilicon compound (s) dissolved in organic, water-insoluble solvents are emulsified with the aid of the water-soluble, film-forming protective colloids mentioned later and optionally with emulsifiers and, if appropriate after the addition of further additives, spray-dried.
- the emulsion polymerization process mentioned as preferred is carried out in an open reaction vessel or in pressure vessels, preferably in a temperature range from 0 to 100 ° C., and is initiated using the methods usually used for emulsion polymerization.
- the initiation is carried out by means of the customary, at least partially water-soluble radical formers, which are preferably used in amounts of 0.01 to 3.0% by weight, based on the total weight of the monomers.
- Examples include ammonium and potassium persulfate and peroxodisulfate; Hydrogen peroxide, t-butyl peroxide; Alkyl hydroperoxides such as tert-butyl hydroperoxide; Potassium, sodium and ammonium peroxodiphosphate; Azo compounds such as azobisisobutyronitrile or azobiscyanovaleric acid.
- the radical initiators mentioned can also contain reducing agents in a known manner with 0.01 to 1.0% by weight, based on the total weight of the monomers be combined.
- alkali formaldehyde sulfoxylates and ascorbic acid are suitable.
- one or both redox catalyst components are preferably metered in during the polymerization.
- emulsifiers and / or protective colloids commonly used in emulsion polymerization can be used as dispersants.
- Suitable emulsifiers are both anionic, cationic and nonionic emulsifiers. Preference is given to those which are not soluble in the protective colloid and whose molecular weights, in contrast to the protective colloid, are below 2000.
- the emulsifiers are used in an amount of 0 to 6% by weight, based on the total weight of the monomers.
- Suitable emulsifiers are known to the person skilled in the art and can be found, for example, in Houben-Weyl, Methods of Organic Chemistry, Vol. XIV, 1, Macromolecular Substances, Georg Thieme Verlag, Stuttgart, 1961, 192-208.
- the protective colloids are preferably used in amounts of up to 15% by weight, based on the total weight of the monomers.
- Examples include vinyl alcohol / vinyl acetate copolymers containing 80 to 100 mol% of vinyl alcohol units; Polyvinyl pyrrolidones with a molecular weight of 5,000 to 400,000; Hydroxyethyl celluloses with a degree of substitution range of 1.5 to 3; Polysaccharides in water-soluble form such as starches (amylose and amylopectin), cellulose, guar, tragacanthic acid, dextran, alginates and their carboxymethyl, methyl, hydroxyethyl, hydroxypropyl derivatives; Proteins such as casein, soy protein, gelatin; synthetic polymers such as poly (meth) acrylic acid, poly (meth) acrylamide, polyvinylsulfonic acids and their water-soluble copolymers; Melamine formaldehyde sulfonates, naphthalene formaldehy
- the pH range desired for the polymerization which is generally between 2.5 and 10, preferably 3 and 8, can be adjusted in a known manner by acids, bases or conventional buffer salts, such as alkali metal phosphates or alkali metal carbonates.
- the regulators typically used for example mercaptans, aldehydes and chlorinated hydrocarbons, can be added during the polymerization.
- the polymerization can be carried out discontinuously or continuously, regardless of the chosen polymerization process, with or without the use of seed latices, with presentation of all or individual constituents of the reaction mixture, or with partial presentation and subsequent metering of the or individual constituents of the reaction mixture, or according to the metering process without presentation .
- the water-dispersible organosilicon compound is preferably added, individually or in a mixture, only in the course of the polymerization.
- the dosage is particularly preferably carried out after a conversion of 50 to 98%, most preferably from 80 to 95%.
- the metering can be carried out in solution in one or more organic monomers, or separately in pure form, or as an emulsion. Preferably 0.5 to 20%, based on the total weight of the monomer phase, of organosilicon compounds are added.
- the aforementioned ethylenically unsaturated, silicon-containing monomers are additionally copolymerized with the organic monomers. These monomers can be in pure form, in solution,
- the organic monomers for example in the organic monomers, or as an emulsion, optionally with the organic monomers or metered in during the polymerization.
- the addition is preferably carried out after more than 50%, particularly preferably more than 80%, of the ethylenically unsaturated, organic comonomers are polymerized.
- the solids content of the dispersions thus obtainable is 20 to 60%.
- a dispersion of particles is obtained in which the organopolymer is at least partially connected to the organosilicon compound, in the form of graft copolymers, via C-Si-O-Si bonds.
- the organosilicon compound and the organopolymer are often in the form of interpenetrated networks (IPN) or semiinterpenetrated networks or as a mixture in the same dispersion particles.
- IPN interpenetrated networks
- the hereby possible wide range of variation of the internal structure of the redispersion powder particles enables an optimization for the respective field of application, without great technical effort due to slight changes in the production process and the recipe.
- the dispersion for the preparation of the dispersion powder composition is dried by means of spray drying in conventional spray drying systems, and atomization can be carried out by means of one, two or more substance nozzles or using a rotating disk.
- the outlet temperature is generally chosen in the range from 55 ° C to 100 ° C, preferably 70 to 90 ° C, depending on the system, Tg of the resin and the desired degree of drying.
- a mixture of the dispersion prepared according to the invention with a solids content of preferably 20 to 60% and of further additives can optionally be sprayed and dried together.
- the dispersion powder composition contains 8 to 50% by weight, preferably 10 to 25% by weight, of protective colloid, based on the total amount of water-insoluble polymer and organosilicon compound, at least part of the protective colloid amount of the finished dispersion or of the solution of the composition of polymer and organosilicon compound being present spray drying, preferably in the form of an aqueous solution, is added.
- Suitable protective colloids are, for example, polyvinyl alcohols and their derivatives; Polysaccharides in water-soluble form such as starches (amylose and amylopectin), cellulose, guar, tragacanthic acid, dextran, alginates and their carboxymethyl, methyl, hydroxyethyl, hydroxypropyl derivatives; Proteins like Casein, soy protein, gelatin; synthetic polymers such as poly (meth) acrylic acid, poly (meth) acrylamide, polyvinylsulfonic acids and their water-soluble copolymers; Melamine formaldehyde sulfonates, naphthalene formaldehyde sulfonates, styrene maleic acid and vinyl ether maleic acid copolymers.
- Polysaccharides in water-soluble form such as starches (amylose and amylopectin), cellulose, guar, tragacanthic acid, dextran, alginates and their carboxy
- constituents of the dispersion powder composition are, if appropriate, emulsifiers which are not soluble in the protective colloids used, and antiblocking agents such as calcium carbonate or magnesium carbonate, talc, gypsum, silica, silicates with particle sizes preferably in the range from 10 nm to 10 ⁇ m.
- the dispersion powder composition can be used in the typical fields of application.
- hydraulically setting binders such as cements (Portland, aluminate, trass, cover, magnesia, phosphate cement), gypsum, water glass, for the production of construction adhesives, plasters, fillers, floor fillers, Grout and colors.
- cements Portableland, aluminate, trass, cover, magnesia, phosphate cement
- gypsum gypsum
- water glass for the production of construction adhesives, plasters, fillers, floor fillers, Grout and colors.
- the dispersion powder composition is preferably used as a hydrophobizing binder in fields of application in which, in addition to good adhesion, reduced water absorption and / or a water-repellent effect is also desired.
- the use of the dispersion powder composition according to the invention for example in plasters, results in very low water absorption without the other mechanical properties being adversely affected.
- a solution of 6400 g of vinyl acetate, 320 g of isooctyltriethoxysilane and 7 g of methacryloxypropyltriethoxysilane was placed in a solution of 524 g of a polyvinyl alcohol with a Höppler viscosity of 4 mPas (in a 4% solution at 20 ° C) and one in a 18 1 autoclave Saponification number of 140 emulsified in 4890 g of water.
- Example 1 was repeated, but instead of isooctyltriethoxysilane, 4% by weight, based on the amount of comonomer, of an isooctyltrimethoxysilane fused with 1.5 mol of water per 2 mol of silane was used.
- the powder thus obtained was very free-flowing and redispersible in water.
- Example 2 was repeated, but the copolymerizable and the non-copolymerizable silane were not dissolved in the template in vinyl acetate, but were added to the template in a mixture as an emulsion.
- the powder thus obtained was very free-flowing and redispersible in water.
- Example 2 was modified in such a way that the silane mixture was dissolved in 10% of the vinyl acetate and this solution was metered into the polymerization only when the polymerization had started to decay (90% conversion). The powder thus obtained was very free-flowing and redispersible in water.
- the polymerization was initiated by adding t-butyl peroxide (5% aqueous solution) and Na formaldehyde sulfoxylate (8% aqueous solution). The total consumption was 44 g t-butyl hydroperoxide and 70 g Na formaldehyde sulfoxylate. 5 minutes after the internal temperature began to rise, a mixture of 3220 g of n-butyl acrylate and 3220 g of styrene was metered in over a period of 4 hours.
- the adhesive tensile strength of plasters made with these formulations was tested in accordance with DIN 1164. With method A the measurement was carried out after a dry storage of 28 days at 23 ° C / 50% relat. Humidity. With method B the measurement was carried out after 7 days of dry storage at 23 ° C / 50% relat. Humidity and another 21 days storage under water at 23 ° C. The flexural tensile strength and compressive strength were determined in accordance with the above-mentioned standard after dry storage for 28 days at 23 ° C./50% relative atmospheric humidity. The water absorption coefficient was determined according to DIN 52617 after a dry storage of the recipe for 14 days at 23 ° C / 50% relative humidity. The results of the testing are summarized in Table 2.
- Table 1 (Testing the joint filler formulation) example Example 6 Comparative Example 1 Water absorption (kg / m 2 xh 0.5 ) 0.197 ⁇ 0.005 0.759 ⁇ 0.020 Compressive strength (N / mm 2 ) 16.0 ⁇ 0.3 17.4 ⁇ 0.5 Processability something sticky something sticky
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE4402408A DE4402408A1 (de) | 1994-01-27 | 1994-01-27 | Redispergierbare, siliciummodifizierte Dispersionspulverzusammensetzung, Verfahren zu deren Herstellung und deren Verwendung |
DE4402408 | 1994-01-27 | ||
PCT/EP1995/000281 WO1995020626A1 (de) | 1994-01-27 | 1995-01-26 | Redispergierbare, siliciummodifizierte dispersionspulverzusammensetzung, verfahren zu deren herstellung und deren verwendung |
Publications (2)
Publication Number | Publication Date |
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EP0741759A1 EP0741759A1 (de) | 1996-11-13 |
EP0741759B1 true EP0741759B1 (de) | 1997-10-15 |
Family
ID=6508832
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Application Number | Title | Priority Date | Filing Date |
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EP95906351A Expired - Lifetime EP0741759B1 (de) | 1994-01-27 | 1995-01-26 | Redispergierbare, siliciummodifizierte dispersionspulverzusammensetzung, verfahren zu deren herstellung und deren verwendung |
Country Status (11)
Country | Link |
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US (1) | US5753733A (ja) |
EP (1) | EP0741759B1 (ja) |
JP (1) | JP3060316B2 (ja) |
KR (1) | KR100197341B1 (ja) |
CN (1) | CN1081657C (ja) |
AT (1) | ATE159271T1 (ja) |
AU (1) | AU681747B2 (ja) |
CA (1) | CA2182202C (ja) |
DE (2) | DE4402408A1 (ja) |
FI (1) | FI962900A (ja) |
WO (1) | WO1995020626A1 (ja) |
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WO2012019908A1 (de) | 2010-08-13 | 2012-02-16 | Wacker Chemie Ag | Verwendung von in wasser redispergierbaren polymerpulvern zur verbesserung der lagerstabilität von zement oder zementären trockenmörteln |
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US5830934A (en) * | 1995-10-27 | 1998-11-03 | Reichhold Chemicals, Inc. | Colloidally stabilized emulsion polymer |
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CN104999072B (zh) * | 2015-06-29 | 2017-09-26 | 南京宜洛辞电子科技有限公司 | 一种可再分散的银纳米线混合物及其制备方法 |
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1996
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7956113B2 (en) | 2004-12-01 | 2011-06-07 | Wacker Chemie Ag | Hydrophobicizing additives |
WO2012019908A1 (de) | 2010-08-13 | 2012-02-16 | Wacker Chemie Ag | Verwendung von in wasser redispergierbaren polymerpulvern zur verbesserung der lagerstabilität von zement oder zementären trockenmörteln |
DE102010039315A1 (de) | 2010-08-13 | 2012-02-16 | Wacker Chemie Ag | Verwendung von in Wasser redispergierbaren Polymerpulvern zur Verbesserung der Lagerstabilität von Zement oder zementären Trockenmörteln |
Also Published As
Publication number | Publication date |
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ATE159271T1 (de) | 1997-11-15 |
DE4402408A1 (de) | 1995-08-03 |
CA2182202A1 (en) | 1995-08-03 |
FI962900A0 (fi) | 1996-07-19 |
WO1995020626A1 (de) | 1995-08-03 |
CA2182202C (en) | 2001-07-31 |
FI962900A (fi) | 1996-07-19 |
AU681747B2 (en) | 1997-09-04 |
EP0741759A1 (de) | 1996-11-13 |
CN1081657C (zh) | 2002-03-27 |
DE59500807D1 (de) | 1997-11-20 |
KR100197341B1 (ko) | 1999-06-15 |
US5753733A (en) | 1998-05-19 |
JP3060316B2 (ja) | 2000-07-10 |
AU1456995A (en) | 1995-08-15 |
KR970700723A (ko) | 1997-02-12 |
JPH09501983A (ja) | 1997-02-25 |
CN1139945A (zh) | 1997-01-08 |
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